Alright, let's work through 5438 times 7127 step by step
5438 × 7127 = 7127 × (5438)
+ 7127 × 8 that is equal 57016
+ 7127 × 30 that equals 213810
+ 7127 × 400 giving us 2850800
+ 7127 × 5000 giving us 35635000

= 38756626
